LM25576EVAL

Evaluation Board 42V, 3A Step-Down Switching Regulator

The is an evaluation board designed to provide the design engineer with a fully functional power converter based on emulated current mode control to evaluate the LM25576 regulator IC. The LM25576 is an easy to use SIMPLE SWITCHER buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. The regulator utilizes an emulated current mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low duty cycles associated with current mode regulators. The evaluation board provides a 5V output with a 3A current capability. The design operates at 300KHz, a good compromise between conversion efficiency and solution size. The printed circuit board consists of two layers of two ounce copper on FR4 material with a thickness of 0.06inches.

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Integrated 42V, 750W N channel MOSFET

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Ultra wide input voltage range from 6V to 42V

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Adjustable output voltage as low as 1.225V

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1.5% feedback reference accuracy

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Operating frequency adjustable between 50KHz and 1MHz with single resistor

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Master or slave frequency synchronization

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Adjustable soft start

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Emulated current mode control architecture

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Wide bandwidth error amplifier

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Built in protection

This device has limited built in ESD protection. The leads should be shorted together or device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.